#
# Copyright The Apache Software Foundation
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
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# See the License for the specific language governing permissions and
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module Shell
  module Commands
    class ListPeers< Command
      def help
        return <<-EOF
List all replication peer clusters.

  hbase> list_peers
EOF
      end

      def command()
        peers = replication_admin.list_peers

        formatter.header(["PEER_ID", "CLUSTER_KEY", "ENDPOINT_CLASSNAME",
          "STATE", "NAMESPACES", "TABLE_CFS", "BANDWIDTH"])

        peers.each do |peer|
          id = peer.getPeerId
          state = peer.isEnabled ? "ENABLED" : "DISABLED"
          config = peer.getPeerConfig
          namespaces = replication_admin.show_peer_namespaces(config)
          tableCFs = replication_admin.show_peer_tableCFs(id)
          formatter.row([ id, config.getClusterKey,
            config.getReplicationEndpointImpl, state, namespaces, tableCFs,
            config.getBandwidth ])
        end

        formatter.footer()
        peers
      end
    end
  end
end
